METHODS OF DATA COLLECTION
CONCEPT OF SAMPLING AND OTHER CONCEPTS RELATED TO SAMPLING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A college president wants to find out which courses students consider to be of the most benefit tothem. Which procedure would be most likely to produce a statistically unbiased sample?
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having students complete a questionnaire on the college web site
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asking students to mail in a questionnaire
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surveying a random sample of students taken from the list of all students
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surveying the first hundred students on an alphabetical list
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Explanation:
Detailed explanation-1: -A questionnaire on the college website would be the best way to get a sample.
Detailed explanation-2: -A sample in a research study is a relatively small number of individuals about whom information is obtained. The larger group to whom the information is then generalized is the population.
Detailed explanation-3: -Random sampling is a way to sample in which everyone in the population has a chance of being chosen for the sample, and whoever’s picked is chosen completely at random. This is great because there’s no bias – some people aren’t more likely to be picked than others.
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